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use crate::library::*;

pub trait FunctionsMutVisitor {
    // TODO: remove interrupt functionality if it is not used
    // visiting stops if returned false
    fn visit_function_mut(&mut self, func: &mut Function) -> bool;
}

impl Namespace {
    pub fn visit_functions_mut<V: FunctionsMutVisitor>(&mut self, visitor: &mut V) -> bool {
        for type_ in self.types.iter_mut().flatten() {
            if !type_.visit_functions_mut(visitor) {
                return false;
            }
        }
        true
    }
}

impl Type {
    pub fn visit_functions_mut<V: FunctionsMutVisitor>(&mut self, visitor: &mut V) -> bool {
        match self {
            Type::Class(class) => {
                for function in &mut class.functions {
                    if !visitor.visit_function_mut(function) {
                        return false;
                    }
                }
            }
            Type::Interface(interface) => {
                for function in &mut interface.functions {
                    if !visitor.visit_function_mut(function) {
                        return false;
                    }
                }
            }
            Type::Record(record) => {
                for function in &mut record.functions {
                    if !visitor.visit_function_mut(function) {
                        return false;
                    }
                }
            }
            _ => (),
        }
        true
    }
}